Class 11 Chemistry Thermodynamics Heat of reaction, Bond energy and Hess law

Easy

"The quantity of heat which must be supplied to decompose a compound into its elements is equal to the heat evolved during the formation of that compound from the elements." This statement is known as

A
Hess's law
B
Joule's law
C
Le Chatelier's principle
D
Lavoisier and Laplace law

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Thermodynamics

Subtopic

Heat of reaction, Bond energy and Hess law

Similar Questions

Which of the following reactions defines $\Delta H_f^o$?

Enthalpy of sublimation of a substance is equal to

Easy

Given that $H_{2(g)} + 1/2 O_{2(g)} \to H_2O_{(g)}; \Delta H_1$ and $H_{2(g)} + 1/2 O_{2(g)} \to H_2O_{(l)}; \Delta H_2$,which of the following is correct?

Medium

Which of the following equations is correct for the heat of sublimation?

EasyMHT CET 2020

Which of the following statements is correct?

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